18813536

素因数分解:

$2^5\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1787}}^1$

素因数の和:1851

約数の個数: 48

約数和(自身を含む): 43255296

約数和(自身を除く): 24441760

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 47, 56, 94, 112, 188, 224, 329, 376, 658, 752, 1316, 1504, 1787, 2632, 3574, 5264, 7148, 10528, 12509, 14296, 25018, 28592, 50036, 57184, 83989, 100072, 167978, 200144, 335956, 400288, 587923, 671912, 1175846, 1343824, 2351692, 2687648, 4703384, 9406768, 18813536]

約数ペア:

[(1, 18813536), (2, 9406768), (4, 4703384), (7, 2687648), (8, 2351692), (14, 1343824), (16, 1175846), (28, 671912), (32, 587923), (47, 400288), (56, 335956), (94, 200144), (112, 167978), (188, 100072), (224, 83989), (329, 57184), (376, 50036), (658, 28592), (752, 25018), (1316, 14296), (1504, 12509), (1787, 10528), (2632, 7148), (3574, 5264)]